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A new genus of river snails, Dalipaludina (Gastropoda, Viviparidae), endemic to the Yunnan Plateau of SW China

by: Zhang, Lejia; Du, Li-Na; von Rintelen, Thomas

Publication date: 2023-05-11

Usage: http://creativecommons.org/licenses/by/4.0

Topics: High altitude, lentic habitat, phylogeny, taxonomy

Publisher: Pensoft Publishers

Collection: biodiversity

Contributor: Pensoft Publishers

Language: English

Rights: http://biodiversitylibrary.org/permissions

Rights-holder: Copyright held by individual article author(s).

Volume: 99

Abstract: A new genus of viviparid snail, Dalipaludina gen. nov., from the Yunnan Plateau of China is described within an integrative taxonomic framework based on data from the mitochondrial COI marker and morphology. Dalipaludina can be distinguished from all other viviparid genera by a unique combination shell, operculum and radula characters. Four species are assigned here to the new genus, Dalipaludina delavayana comb. nov., Dalipaludina oxytropoides comb. nov., Dalipaludina occidentalis comb. nov., and Dalipaludina pyramidella comb. nov., and one species is newly assigned to Margarya, Margarya dianchiensis comb. nov. The four species of Dalipaludina are allopatrically distributed in shallow water lentic habitats at high altitude regions of the Yunnan Plateau.